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65f2a90d9f
This causes the viewport size to differ, depending on the length of the page. This has the effect of pages that size themselves to the size of the window always having the toolbar visible, making sites like Google Maps more usable.
67 lines
2.1 KiB
Java
67 lines
2.1 KiB
Java
/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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package org.mozilla.gecko;
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import org.mozilla.gecko.gfx.LayerView;
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import android.content.Context;
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import android.util.AttributeSet;
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import android.util.Log;
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import android.view.MotionEvent;
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import android.widget.LinearLayout;
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public class BrowserToolbarLayout extends LinearLayout {
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private static final String LOGTAG = "GeckoToolbarLayout";
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public BrowserToolbarLayout(Context context, AttributeSet attrs) {
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super(context, attrs);
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}
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@Override
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public boolean onTouchEvent(MotionEvent event) {
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// If the motion event has occured below the toolbar (due to the scroll
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// offset), let it pass through to the page.
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if (event != null && event.getY() > getHeight() - getScrollY()) {
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return false;
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}
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return super.onTouchEvent(event);
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}
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@Override
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protected void onScrollChanged(int l, int t, int oldl, int oldt) {
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super.onScrollChanged(l, t, oldl, oldt);
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if (t != oldt) {
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refreshMargins();
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}
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}
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@Override
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protected void onSizeChanged(int w, int h, int oldw, int oldh) {
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super.onSizeChanged(w, h, oldw, oldh);
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if (h != oldh) {
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// In the current UI, this is the only place we have need of
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// viewport margins (to stop the toolbar from obscuring fixed-pos
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// content).
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GeckoAppShell.sendEventToGecko(
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GeckoEvent.createBroadcastEvent("Viewport:FixedMarginsChanged",
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"{ \"top\" : " + h + ", \"right\" : 0, \"bottom\" : 0, \"left\" : 0 }"));
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refreshMargins();
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}
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}
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public void refreshMargins() {
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LayerView view = GeckoApp.mAppContext.getLayerView();
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if (view != null) {
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view.getLayerClient().setFixedLayerMargins(0, getHeight() - getScrollY(), 0, 0);
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}
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}
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}
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